Advanced Stops and Targets Strategy Tool - System Trader

Gann Square of 9 - Introduction - TradeWithMe

In mathematics, a square root of a number a is a number y such that y 2 = a; in other words, a number y whose square (the result of multiplying the number by itself, or y⋅y) is a. For example, 4 and −4 are square roots of 16 because 4 2 = (−4) 2 = 16.